A pixel circuit includes a light-emitting element, a driving circuit, a compensation control circuit, a data writing-in circuit, a first reset circuit, a light-emitting control circuit and an energy storage circuit; the compensation control circuit controls to connect the control end and the first end of the driving circuit; the data writing-in circuit writes a data voltage into the second end of the driving circuit; the first reset circuit writes a reference voltage into the control end of the driving circuit under the control of a reset control signal; the energy storage circuit is electrically connected to the control end of the driving circuit and the first electrode of the light-emitting element, and is configured to store electrical energy; the driving circuit controls to connect the first end and the second end of the driving circuit under the control of the control end thereof.
Legal claims defining the scope of protection, as filed with the USPTO.
3. The pixel circuit according to claim 2, wherein the first transistor and/or the second transistor are metal oxide thin film transistors; and/or the third transistor is a metal oxide thin film transistor.
8. A display substrate comprising a base substrate and a plurality of sub-pixels arranged on the base substrate, wherein the sub-pixel comprises the pixel circuit according to claim 1.
9. The display substrate according to claim 8, wherein the compensation control circuit includes a first transistor, the first reset circuit includes a second transistor, and the data writing-in circuit includes a third transistor; the first transistor includes a first active pattern, and the second transistor includes a second active pattern, the third transistor includes a third active pattern; the first active pattern, the second active pattern and the third active pattern are formed by a same semiconductor layer; the semiconductor layer is made of a metal oxide material.
17. A display device comprising the display substrate according to claim 8.
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August 30, 2021
October 22, 2024
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